description: This extension applies to the [ContactPoint](http://hl7.org/fhir/datatypes.html#ContactPoint) data type and is used to represent the purpose for which a contact can be reached, e.g. after hours or billing.
package_name: hl7.fhir.au.base
derivation: constraint
name: ContactPurpose
type: Extension
elements:
  url:
    pattern: {type: Uri, value: 'http://hl7.org.au/fhir/StructureDefinition/contact-purpose'}
    index: 0
  value:
    short: Contact purpose
    choices: [valueCodeableConcept]
    index: 2
  valueCodeableConcept: {type: CodeableConcept, short: Contact purpose, choiceOf: value, index: 3}
package_version: 4.1.2-preview
class: extension
kind: complex-type
url: http://hl7.org.au/fhir/StructureDefinition/contact-purpose
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 4.1.2-preview
required: [value, valueCodeableConcept]